87 lines
3 KiB
C
87 lines
3 KiB
C
/* Machine-dependent signal context structure for GNU Hurd. HPPA version.
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Copyright (C) 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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/* Signal handlers are actually called:
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void handler (int sig, int code, struct sigcontext *scp); */
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/* State of this thread when the signal was taken. */
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struct sigcontext
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{
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/* These first members are machine-independent. */
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int sc_onstack; /* Nonzero if running on sigstack. */
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__sigset_t sc_mask; /* Blocked signals to restore. */
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/* MiG reply port this thread is using. */
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unsigned int sc_reply_port;
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/* Port this thread is doing an interruptible RPC on. */
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unsigned int sc_intr_port;
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/* Error code associated with this signal (interpreted as `error_t'). */
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int sc_error;
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/* All following members are machine-dependent. The rest of this
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structure is written to be laid out identically to a `struct
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parisc_thread_state'. trampoline.c knows this, so it must be
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changed if this changes. */
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#define sc_parisc_thread_state sc_flags /* Beginning of correspondence. */
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/* "General" registers $1..$31. */
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unsigned int sc_regs[31];
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/* Control registers. */
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unsigned int sc_cr11; /* sar */
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/* These four registers make up the PC. */
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unsigned int iioq_head;
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unsigned int iisq_head;
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unsigned int iioq_tail;
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unsigned int iisq_tail;
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unsigned int sc_cr15;
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unsigned int sc_cr19;
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unsigned int sc_cr20;
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unsigned int sc_cr21;
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unsigned int sc_cr22; /* ipsw */
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unsigned int sc_bsd_goto; /* unused */
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unsigned int sc_sr4;
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unsigned int sc_sr0;
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unsigned int sc_sr1;
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unsigned int sc_sr2;
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unsigned int sc_sr3;
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unsigned int sc_sr5;
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unsigned int sc_sr6;
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unsigned int sc_sr7;
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unsigned int sc_cr0;
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unsigned int sc_cr8;
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unsigned int sc_cr9;
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unsigned int sc_cr10; /* unused */
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unsigned int sc_cr12;
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unsigned int sc_cr13;
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unsigned int sc_cr24; /* unused */
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unsigned int sc_cr25; /* unused */
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unsigned int sc_cr26; /* unused */
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unsigned sc_mpsfu_high; /* unused */
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unsigned sc_mpsfu_low; /* unused */
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unsigned sc_mpsfu_ovflo; /* unused */
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int sc_pad;
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/* Floating point registers $f0..$f31. */
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double sc_fpregs[32];
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};
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